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Generative networks have made it possible to generate meaningful signals such as images and texts from simple noise. Recently, generative methods based on GAN and VAE were developed for graphs and graph signals. However, the mathematical…

机器学习 · 计算机科学 2019-10-18 Dongmian Zou , Gilad Lerman

Molecular graphs generally contain subgraphs (known as groups) that are identifiable and significant in composition, functionality, geometry, etc. Flat latent representations (node embeddings or graph embeddings) fail to represent, and…

机器学习 · 计算机科学 2019-04-05 Daniel T. Chang

Most Graph Neural Networks (GNNs) predict the labels of unseen graphs by learning the correlation between the input graphs and labels. However, by presenting a graph classification investigation on the training graphs with severe bias,…

机器学习 · 计算机科学 2022-09-29 Shaohua Fan , Xiao Wang , Yanhu Mo , Chuan Shi , Jian Tang

Modern vision backbones for 3D medical imaging typically process dense voxel grids through parameter-heavy encoder-decoder structures, a design that allocates a significant portion of its parameters to spatial reconstruction rather than…

The graph structure is a commonly used data storage mode, and it turns out that the low-dimensional embedded representation of nodes in the graph is extremely useful in various typical tasks, such as node classification, link prediction ,…

社会与信息网络 · 计算机科学 2020-08-03 Xing Li , Wei Wei , Xiangnan Feng , Xue Liu , Zhiming Zheng

Leveraging domain knowledge including fingerprints and functional groups in molecular representation learning is crucial for chemical property prediction and drug discovery. When modeling the relation between graph structure and molecular…

机器学习 · 计算机科学 2021-03-25 Yin Fang , Haihong Yang , Xiang Zhuang , Xin Shao , Xiaohui Fan , Huajun Chen

Heterogeneous graph neural networks (HGNNs) excel at capturing structural and semantic information in heterogeneous graphs (HGs), while struggling to generalize across domains and tasks. With the rapid advancement of large language models…

社会与信息网络 · 计算机科学 2025-07-31 Jinyu Yang , Cheng Yang , Shanyuan Cui , Zeyuan Guo , Liangwei Yang , Muhan Zhang , Zhiqiang Zhang , Chuan Shi

Self-supervised learning with masked autoencoders has recently gained popularity for its ability to produce effective image or textual representations, which can be applied to various downstream tasks without retraining. However, we observe…

机器学习 · 计算机科学 2023-08-21 Yucheng Shi , Yushun Dong , Qiaoyu Tan , Jundong Li , Ninghao Liu

This work considers the task of representation learning on the attributed relational graph (ARG). Both the nodes and edges in an ARG are associated with attributes/features allowing ARGs to encode rich structural information widely observed…

机器学习 · 计算机科学 2022-08-10 Yifei Wang , Shiyang Chen , Guobin Chen , Ethan Shurberg , Hang Liu , Pengyu Hong

Masked image modeling (MIM) has become a leading self-supervised learning strategy. MIMs such as Masked Autoencoder (MAE) learn strong representations by randomly masking input tokens for the encoder to process, with the decoder…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Taekyung Kim , Sanghyuk Chun , Byeongho Heo , Dongyoon Han

In this work, we propose a simple transformer-based baseline for multimodal molecular representation learning, integrating three distinct modalities: SMILES strings, 2D graph representations, and 3D conformers of molecules. A key aspect of…

机器学习 · 计算机科学 2024-10-25 Andrei Manolache , Dragos Tantaru , Mathias Niepert

Molecular Machine Learning (ML) bears promise for efficient molecule property prediction and drug discovery. However, labeled molecule data can be expensive and time-consuming to acquire. Due to the limited labeled data, it is a great…

机器学习 · 计算机科学 2022-04-01 Yuyang Wang , Jianren Wang , Zhonglin Cao , Amir Barati Farimani

This paper explores improvements to the masked image modeling (MIM) paradigm. The MIM paradigm enables the model to learn the main object features of the image by masking the input image and predicting the masked part by the unmasked part.…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Jiawei Mao , Xuesong Yin , Yuanqi Chang , Honggu Zhou

Designing molecules with specific properties is a long-lasting research problem and is central to advancing crucial domains such as drug discovery and material science. Recent advances in deep graph generative models treat molecule design…

机器学习 · 计算机科学 2022-03-02 Yuanqi Du , Xiaojie Guo , Amarda Shehu , Liang Zhao

Molecular representation learning is fundamental for many drug related applications. Most existing molecular pre-training models are limited in using single molecular modality, either SMILES or graph representation. To effectively leverage…

机器学习 · 计算机科学 2024-11-05 Shikun Feng , Lixin Yang , Yanwen Huang , Yuyan Ni , Weiying Ma , Yanyan Lan

Molecular generation plays an important role in drug discovery and materials science, especially in data-scarce scenarios where traditional generative models often struggle to achieve satisfactory conditional generalization. To address this…

机器学习 · 计算机科学 2025-05-13 Zimo Yan , Jie Zhang , Zheng Xie , Chang Liu , Yizhen Liu , Yiping Song

Recent advances in machine learning for molecules exhibit great potential for facilitating drug discovery from in silico predictions. Most models for molecule generation rely on the decomposition of molecules into frequently occurring…

化学物理 · 物理学 2023-11-08 Leon Hetzel , Johanna Sommer , Bastian Rieck , Fabian Theis , Stephan Günnemann

Learning expressive molecular representations is crucial to facilitate the accurate prediction of molecular properties. Despite the significant advancement of graph neural networks (GNNs) in molecular representation learning, they generally…

机器学习 · 计算机科学 2023-05-19 Hossein Hajiabolhassan , Zahra Taheri , Ali Hojatnia , Yavar Taheri Yeganeh

Molecule property prediction is a fundamental problem for computer-aided drug discovery and materials science. Quantum-chemical simulations such as density functional theory (DFT) have been widely used for calculating the molecule…

机器学习 · 计算机科学 2019-11-26 Hiroyuki Shindo , Yuji Matsumoto

Image tokenizers form the foundation of modern text-to-image generative models but are notoriously difficult to train. Furthermore, most existing text-to-image models rely on large-scale, high-quality private datasets, making them…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Dongwon Kim , Ju He , Qihang Yu , Chenglin Yang , Xiaohui Shen , Suha Kwak , Liang-Chieh Chen